Sony PCG-C1VP - Manual (Page 109)

Troubleshooting your Notebook
109
The Power Management setting is not responding.
Your notebook’s operating system may become unstable if it is interrupted orif
you attempt to make changes before the compuer completely enters a lower
power mode, such as Hibernate.
❑ To restore the computer to its normal operating stability:
1 Close all open applications.
2 Restart the computer by pressing Ctrl+Alt+Delete at the same time,
and then selecting Restart from the drop-down list.
The sound of my notebook’s fan is too loud.
Use the PowerPanel utility to change the Thermal Control Strategy setting to
Quiet. This setting slows down the CPU speed. See PowerPanel Help for more
information.
Troubleshooting the LCD screen
My LCD screen is blank.
❑ Check that the notebook is plugged into a power source and that it is
turned on.
❑ Check that the power indicator on the notebook is on.
❑ Check that the battery pack is inserted properly and that they are charged.
❑ The notebook may be in LCD (Video) Standby mode. Press any key to
activate the screen.
❑ The display mode may be set to external display mode. Press and hold the
Fn key while pressing F7 several times.
My LCD screen continues to show the previous screen.
Press the Windows key and D key twice to refresh the screen.
✍
If this procedure does not work, press and hold the power button for four
seconds or longer to shut down the notebook.